Self-leveling table.



N0. 807,099. PATENTED DEC. 12, 1905. H. A. VANCE. SELF 'LBVELING TABLE.

APPLICATION FILED 001227. 1904.

UNITED STATES PATENT OFFICE.

HARRY A. VANCE, OF EMPIRE, OHIO, ASSIGNOR OF ONE-THIRD TO L. F. BROWN,OF EMPIRE, OHIO.

SELF-LEVELING TABLE.

Specification of Letters Patent.

Patented Dec. 12, 1905.

Application filed October 2'7, 1904. Serial No. 230,258.

I its object to provide a self leveling table which will becomparatively simple in construction, strong and durable, and highlyefficient when used.

The table as contemplated by me is particularly adapted for use uponvessels and trains where a rolling motion is experienced, and I haveconstructed my improved table whereby the same may be easily and quicklyapplied to the floor of a compartment in which it is to be used.

With the above objects in view reference will be had to the drawingsaccompanying this application, wherein like numerals of referencedesignate corresponding parts throughout both views, in which Figure 1is a side elevation of my improved table, showing the floor of a room insection and having my improved table mountedtherein; and Fig. 2 is atransverse sectional view taken on the line a: w of Fig. 1.

To put my invention into practice, I provide the floor of thecompartment in which the table is to be mounted with an opening 1, andin said opening I secure by bolts and nuts 2 2 a plate 3, which isformed with a central enlargement 4, and the faces of the enlargementare provided with the concavities 5 5, these concavities being formed ofsuch a depth as to provide an opening 6 between the concavities, and inthis opening and the concavities 5 5 is mounted a table.

The table as constructed by me consists of a top 7, to the under face ofwhich is secured a plurality of legs 8 8, which are curved and meet in acommon center, as indicated at 9. The center of these legs is providedwith a semispherical portion 10, that seats in the upper concavity 5.Centrally of the semis herical portion 10 -is formed a screwt eadedaperture in which is secured the screw-threaded end of a rod 1 1, andthe lower end of this rod is screw-threaded to receive a nut 12, andupon the lower end of said rod is mounted-a plurality of weights 14.

From the foregoing description, taken in connection with the drawings,it will be observed that the table is pivotally mounted Within the plate3 and that the same will be held in a vertical position within thisplate by the weight 14, suspended from the table. Should the floor ofthe compartment in which the table is mounted be inclined, the rod 11will maintain a vertical position, this being facilitated by the movingof the semispherical portion 10,within the upper concavity 5,

and the lower concavity will permit of the in.

clination of the floor without interfering with the rod 11. Thetable-top 7 will at all times be held in a level position, and therocking or rolling movement of the compartment in which it is mountedwill not displace any articles that may be placed upon the table.

While I have herein shown the preferred manner of constructing myimproved table, it is obvious that various changes may be made in thedetails of construction without departing from the general spirit andscope of the invention.

Having fully described my invention, what I claim, and desire to secureby Letters Patent, is

1. The combination with a floor having an opening therein, and a platearranged in said opening and having a lateral flange, said flange beingaffixed to the floor and having a concavity in its top, of a table-top,a plurality of legs secured to said table-top, a semispherical portioncarried by said legs and seating in the concavity in said plate, a rod,

attached to said semispherical portion and extending through the plateand a weight carried by said rod below the floor.

2. The combination with the floor of a compartment said floor having anopening formed therein, of a plate secured in said opening, said platehaving concavities formed therein, a tabe, a semispherical portioncarried by the table and mounted in one of said concavities, removableweights mounted below the floor of the compartment and connecting withsaid table for maintaining the level thereof, substantially asdescribed.

3. The combination with a floor having an opening therethrough, of aplate arranged over said opening and-attached to the floor, rality ofremovable weights carried on said 10 said plate being formed with aconcavity in rod below the said floor.

its upper side, a table-top, a plurality of legs In testimony whereof Iaffix my signature secured to said table-top and meeting below in thepresence of two witnesses.

5 the center of the same a semispherical portion carried by said legs attheir meeting- HARRY VANCE point, said semispherical portion seating inWitnesses: the concavity of said plate, a rod screwing MARY E. MINOR,

into said semispherical portion and a plu- E. S. MINOIL.

